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README.md

ESP32-8266-Audio-Spectrum-Display

The ESP8266 variant can display a flat response between 100Hz and 5.2Khz and is limited by the ADC conversion time.

The ESP32 variant, can display a flat response between 50Hz and 20Khz and is less limited by ADC conversion time and uses 512 samples for improved resolution. It could be optimised even further for a wider freqencuy response.